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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/html/forms/html_form_control_element.h"
#include <memory>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/html/forms/html_input_element.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/page/scoped_page_pauser.h"
#include "third_party/blink/renderer/core/page/validation_message_client.h"
#include "third_party/blink/renderer/core/testing/page_test_base.h"
namespace blink {
namespace {
class MockFormValidationMessageClient
: public GarbageCollectedFinalized<MockFormValidationMessageClient>,
public ValidationMessageClient {
USING_GARBAGE_COLLECTED_MIXIN(MockFormValidationMessageClient);
public:
void ShowValidationMessage(const Element& anchor,
const String&,
TextDirection,
const String&,
TextDirection) override {
anchor_ = anchor;
++operation_count_;
}
void HideValidationMessage(const Element& anchor) override {
if (anchor_ == &anchor)
anchor_ = nullptr;
++operation_count_;
}
bool IsValidationMessageVisible(const Element& anchor) override {
return anchor_ == &anchor;
}
void DocumentDetached(const Document&) override {}
void WillBeDestroyed() override {}
void Trace(blink::Visitor* visitor) override {
visitor->Trace(anchor_);
ValidationMessageClient::Trace(visitor);
}
// The number of calls of ShowValidationMessage() and HideValidationMessage().
int OperationCount() const { return operation_count_; }
private:
Member<const Element> anchor_;
int operation_count_ = 0;
};
} // namespace
class HTMLFormControlElementTest : public PageTestBase {
protected:
void SetUp() override;
};
void HTMLFormControlElementTest::SetUp() {
PageTestBase::SetUp();
GetDocument().SetMimeType("text/html");
}
TEST_F(HTMLFormControlElementTest, customValidationMessageTextDirection) {
SetHtmlInnerHTML("<body><input pattern='abc' value='def' id=input></body>");
HTMLInputElement* input = ToHTMLInputElement(GetElementById("input"));
input->setCustomValidity(
String::FromUTF8("\xD8\xB9\xD8\xB1\xD8\xA8\xD9\x89"));
input->setAttribute(
HTMLNames::titleAttr,
AtomicString::FromUTF8("\xD8\xB9\xD8\xB1\xD8\xA8\xD9\x89"));
String message = input->validationMessage().StripWhiteSpace();
String sub_message = input->ValidationSubMessage().StripWhiteSpace();
TextDirection message_dir = TextDirection::kRtl;
TextDirection sub_message_dir = TextDirection::kLtr;
input->FindCustomValidationMessageTextDirection(message, message_dir,
sub_message, sub_message_dir);
EXPECT_EQ(TextDirection::kRtl, message_dir);
EXPECT_EQ(TextDirection::kLtr, sub_message_dir);
scoped_refptr<ComputedStyle> rtl_style =
ComputedStyle::Clone(input->GetLayoutObject()->StyleRef());
rtl_style->SetDirection(TextDirection::kRtl);
input->GetLayoutObject()->SetStyle(std::move(rtl_style));
input->FindCustomValidationMessageTextDirection(message, message_dir,
sub_message, sub_message_dir);
EXPECT_EQ(TextDirection::kRtl, message_dir);
EXPECT_EQ(TextDirection::kLtr, sub_message_dir);
input->setCustomValidity(String::FromUTF8("Main message."));
message = input->validationMessage().StripWhiteSpace();
sub_message = input->ValidationSubMessage().StripWhiteSpace();
input->FindCustomValidationMessageTextDirection(message, message_dir,
sub_message, sub_message_dir);
EXPECT_EQ(TextDirection::kLtr, message_dir);
EXPECT_EQ(TextDirection::kLtr, sub_message_dir);
input->setCustomValidity(String());
message = input->validationMessage().StripWhiteSpace();
sub_message = input->ValidationSubMessage().StripWhiteSpace();
input->FindCustomValidationMessageTextDirection(message, message_dir,
sub_message, sub_message_dir);
EXPECT_EQ(TextDirection::kLtr, message_dir);
EXPECT_EQ(TextDirection::kRtl, sub_message_dir);
}
TEST_F(HTMLFormControlElementTest, UpdateValidationMessageSkippedIfPrinting) {
SetHtmlInnerHTML("<body><input required id=input></body>");
ValidationMessageClient* validation_message_client =
new MockFormValidationMessageClient();
GetPage().SetValidationMessageClientForTesting(validation_message_client);
Page::OrdinaryPages().insert(&GetPage());
HTMLInputElement* input = ToHTMLInputElement(GetElementById("input"));
ScopedPagePauser pauser; // print() pauses the page.
input->reportValidity();
EXPECT_FALSE(validation_message_client->IsValidationMessageVisible(*input));
}
TEST_F(HTMLFormControlElementTest, DoNotUpdateLayoutDuringDOMMutation) {
// The real ValidationMessageClient has UpdateStyleAndLayout*() in
// ShowValidationMessage(). So calling it during DOM mutation is
// dangerous. This test ensures ShowValidationMessage() is NOT called in
// appendChild(). crbug.com/756408
GetDocument().documentElement()->SetInnerHTMLFromString("<select></select>");
HTMLFormControlElement* const select =
ToHTMLFormControlElement(GetDocument().QuerySelector("select"));
auto* const optgroup = GetDocument().CreateRawElement(HTMLNames::optgroupTag);
auto* validation_client = new MockFormValidationMessageClient();
GetDocument().GetPage()->SetValidationMessageClientForTesting(
validation_client);
select->setCustomValidity("foobar");
select->reportValidity();
int start_operation_count = validation_client->OperationCount();
select->appendChild(optgroup);
EXPECT_EQ(start_operation_count, validation_client->OperationCount())
<< "DOM mutation should not handle validation message UI in it.";
}
TEST_F(HTMLFormControlElementTest, UniqueRendererFormControlId) {
SetHtmlInnerHTML("<body><input id=input1><input id=input2></body>");
auto* form_control1 = ToHTMLFormControlElement(GetElementById("input1"));
unsigned first_id = form_control1->UniqueRendererFormControlId();
auto* form_control2 = ToHTMLFormControlElement(GetElementById("input2"));
EXPECT_EQ(first_id + 1, form_control2->UniqueRendererFormControlId());
SetHtmlInnerHTML("<body><select id=select1></body>");
auto* form_control3 = ToHTMLFormControlElement(GetElementById("select1"));
EXPECT_EQ(first_id + 2, form_control3->UniqueRendererFormControlId());
}
} // namespace blink
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